package com.bff.gaia.mix.api.xjoin.operators;/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.bff.gaia.api.java.typeutils.RowTypeInfo;
import com.bff.gaia.mix.api.datastream.AsyncDataMixStream;
import com.bff.gaia.mix.api.datastream.DataMixStream;
import com.bff.gaia.mix.api.datastream.SingleOutputMixStreamOperator;
import com.bff.gaia.mix.api.xjoin.client.hbase.async.HbaseAsyncReqRow;
import com.bff.gaia.mix.api.xjoin.client.mysql.async.MysqlAsyncReqRow;
import com.bff.gaia.mix.api.xjoin.core.side.AsyncReqRow;
import com.bff.gaia.mix.api.xjoin.core.side.FieldInfo;
import com.bff.gaia.mix.api.xjoin.core.side.JoinInfo;
import com.bff.gaia.mix.api.xjoin.core.side.SideTableInfo;

import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * Project Name: gaia-parent
 * Description:
 * Data: 2019/7/23 11:24
 * Company: NEU
 *
 * @author tiger
 * @version v1.0
 */
public class XjoinAsyncOperator {

	//TODO need to set by create table task
	private static int asyncCapacity = 100;

	private static AsyncReqRow loadAsyncReq(String sideType, RowTypeInfo rowTypeInfo,
	                                        JoinInfo joinInfo, List<FieldInfo> outFieldInfoList, SideTableInfo sideTableInfo) throws Exception {
//		ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
//		String pathOfType = String.format(PATH_FORMAT, sideType);
//		String pluginJarPath = PluginUtil.getJarFileDirPath(pathOfType, sqlRootDir);
//		DtClassLoader dtClassLoader = (DtClassLoader) classLoader;
//		PluginUtil.addPluginJar(pluginJarPath, dtClassLoader);
//		String className = PluginUtil.getSqlSideClassName(sideType, "side", "Async");
		switch (sideType) {
			case "mysql": {
				return new MysqlAsyncReqRow(rowTypeInfo, joinInfo, outFieldInfoList, sideTableInfo);
			}
			case "hbase": {
//				System.out.println("hbase");
				return new HbaseAsyncReqRow(rowTypeInfo, joinInfo, outFieldInfoList, sideTableInfo);
			}
			default: {
				return null;
			}
		}
	}

	public static SingleOutputMixStreamOperator getSideJoinDataStream(DataMixStream inputStream, String sideType, RowTypeInfo rowTypeInfo, JoinInfo joinInfo,
	                                                                  List<FieldInfo> outFieldInfoList, SideTableInfo sideTableInfo) throws Exception {
		AsyncReqRow asyncDbReq = loadAsyncReq(sideType, rowTypeInfo, joinInfo, outFieldInfoList, sideTableInfo);
		//TODO How much should be set for the degree of parallelism? Timeout? capacity settings?
		return AsyncDataMixStream
			.orderedWait(inputStream, asyncDbReq, sideTableInfo.getCacheTimeout(), TimeUnit.MILLISECONDS, sideTableInfo.getAsyncCapacity())
			.setParallelism(sideTableInfo.getParallelism());
	}
}